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Company : THRONA SRL
Product : Xenium net
THRONA SRL
  • Designer      :
  • Product type      : chairs office seating, office chairs
     
Product Description
An executive armchair of unconstrained elegance, with a perspirable backrest covered by a black net that is matched to an important seat upholstery. Available with or without armrests, and adjustable headrest. It is provided either with synchron or synchron Dynamic mechanism.
Base materials and finishings
Five star base. Diameter and dimensions in accordance to UNI, DIN and BIFMA norms.
0905P: Main structure anti-scratch recyclable techno-polymer and fibreglass, 700 mm diameter.
0905C: Polished aluminium base, 700 mm diameter
Structure material and finishings

Seat
In anti-scratch recyclable techno-polymer with internal steel stiffening ribs to improve safety and resistance to crashes. Plastic shell cover in anti-scratch techno-polymer to protect armchair from accidental crashes and end users from the internal components. Anatomically shaped.

Back rest 
Backrest supporting structure is in anti-scratch recyclable techno-polymer and fibreglass and fixed to the main structure with two Torx screws. Backrest is elastic net (elastan and wool), in black, grey and white crossed threads, and fixed to the supporting structure with two metal rods. Backrest is connected to the main backrest frame (height adjustable in 7 positions) with an elliptical polished aluminium frame on the bottom and in techno-polymer and fibreglass on top.

Headrest  (optional)
Removable. Flexible, in anti-scratch recyclable techno-polymer and fibreglass. Headrest is 6 cm height adjustable.
Stuffing material
Seat and headrest in expanded polyurethane. Seat of 40 mm thickness and 45  gr/lt density.  Headrest of 20 mm thickness and 45 gr/lt density. Foams according to C.S.E.R.F. 4/83 standards. Material is recyclable and without CFC.
Cladding types
Available in Trevira fabric, Mirage, Rennatech, Pegaso, Polyurethane, Vega and leather, from Throna colour chart.
Technical characteristics

X-NET is offered with Dynamic and with Synchron mechanisms.
DYNAMIC: Synchronised adjustment of seat and backrest with maximum backrest inclination up to 26° and seat inclination on 12°, lockable in 11 different positions, with anti-shock device. Side tension control.
Dynamic has an integrated sliding seat mechanism.
Dynamic has an integrated negative (from 0° to 5°) seat adjustment mechanism.
SYNCHRON: Synchronised adjustment of seat and backrest, 20° backrest inclination, lockable in 5 different position, with anti-shock device.
Wheel types and characteristics
Diameter 65 mm., self-braking with rubber ring.
Regulating systems
Test according to DIN 4550/4551, central piston diameter 28 mm, protected by black steel tube diameter 50 mm. External cover by a telescopic (three layer) ABS tube. Class 4.
Armrests
Height adjustable in 8 different positions and 15°m side adjustable. Supporting structure in recyclable techno-polymer and fibreglass. Armpads in grey soft moulded rubber with possibility of upholstery.
Accessories
Headrest (optional)
Removable. Flexible, in anti-scratch recyclable techno-polymer and fibreglass. Headrest is 6 cm height adjustable.

Certificates
EN 1335 –1/2/3
ANSI/BIFMA X5.1-2002

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